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3/12/13

Universal testing machine

Product Description:
The host of computer-controlled electro-hydraulic servo universal testing machine adopt oil cylinder 
mounted under the host, mainly for metals, non-metallic tensile, compression and bending test.Used in 
metallurgy, construction, light industry, aviation, aerospace, materials, universities, research institutes and 
other fields.Test operations and data processing in line with GB228-2002 "metal material tensile test method
at room temperature" requirements.
Host:
Computer controlled electro-hydraulic servo universal testing machine adopt oil cylinder under mounted type
host, stretching space is at the top of host, compression test space is between the at the work table and the
crossbar .
Transmission System:
Down beam go up and down by the use of motor reducer, chain drive mechanism, vice screw drive, 
to achieve tensile, compression of space to adjust.
Hydraulic System:
The hydraulic oil in the tank through motor drive high-pressure pump into the oil, flows through check, high 
pressure oil filters, differential pressure valve set, servo valves, into the oil cylinder.Computer control signals
to the servo valve, the control and direction of the servo valve opening to control the flow into the cylinder to 
achieve constant test force, constant displacement control.Through the tubing, pressure tubing through and
through oil return valve to tank.
Control System:
Support for tensile, compression, shear, bending and other tests;
Support open editing test, editorial standards and editorial procedures, and to support export import testing, 
standards and procedures;
Support custom test parameters;
Adopt an open statement in the form of EXCEL, to support user-defined report format;
Print the query testing results flexibility, support for printing multiple samples, custom sorting print projects;
Procedure supports hierarchical management levels (administrator, tester) user management rights;
Safety Protection Device:
a) When the test force more than 3% of the maximum test force, the overload protection, 
oil pump motor shut down.
b) When the piston rises to the upper limit position, stroke protection, pump motor shut down.
Fixture:
Whole set fixtures include:stretch fixture,compression fixture,bending fixture.
Technical Parameter:
Max load 100KN 300KN 600KN 1000KN 1200KN 2400KN
Test force measuring range 2%-100%FSKN
Test Force showed the relative error ≤indicating value±1%
Test force resolution 0.01kN
Displacement measurement resolution 0.01mm
Deformation measurement accuracy ±0.5%FSmm
Maximum tensile test space 550mm 650mm 750mm 900mm 1000mm
Max compression space 380mm 460mm 700mm 900mm
Diameter of round specimen clamp jaw Φ6-Φ26mm Φ13-Φ40mm Φ13-Φ60mm Φ15-Φ70mm
Thickness of flat specimen clamping jaws 0-15mm 0-15/15-30mm 0-40mm 0-70mm
Maximum clamping width of the flat specimen 70mm 75mm 125mm 80mm
Maximum clamping width of the flat specimen
(Column number)
2 2/4 4
Shear specimen diameter 10mm
Upper and lower compression plate size Φ160(option 204×204)mm
The maximum distance between the fulcrum bending 450
Space stretching from the two pillars distance 450 450/550 700 850
Pump motor power 1.1KW 1.5KW 3KW
Beam moves up and down motor fixed rate 0.75KW 1KW 1.5KW
Net weight 1700kg 1900kg 2600kg 3300kg 5000kg 10000kg
Fixture: